Public Record · California Contractors

Licensed Insulation & Acoustical (C-2) contractors in Diamond Bar, CA

The California Contractors State License Board (CSLB) lists 3 Insulation & Acoustical (C-2) contractors in Diamond Bar, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

3 contractors

  1. All About T-bar
    Diamond Bar, CA · CSLB #570421 · as of October 6, 2026
    Active · clear
  2. Hammond Drywall Construction
    Diamond Bar, CA · CSLB #956694 · as of October 6, 2026
    Active · clear
  3. Light Contracting
    Diamond Bar, CA · CSLB #1122793 · as of October 6, 2026
    Active · clear

See all Insulation & Acoustical (C-2) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.

Licensed Insulation & Acoustical (C-2) contractors in Diamond Bar, CA — IsItLicensed | IsItLicensed